Subtraction with Regrouping

Subtracting Two-Digit Numbers

100

57-23

34

200

79-36

43

300

40-14

26

400

62-47

15

500

95-58

37

Subtracting Three-Digit Numbers

100

573-132

441

200

688-279

409

300

922-395

527

400

525-268

257

500

327-138

189

Subtracting Across Zeros

100

440-138

302

200

506-324

182

300

400-256

144

400

607-452

155

500

3004-1362

1642

Word Problems

100

Savanna had 50 beads. She gave 13 beads to her friends. How many beads does Savanna have left?

37 Beads

200

Kael has 31 seashells. He loses 15 seashells. How many seashells does Kael have left?

16 seashells

300

Jason owns 690 pencils. He donates 354 pencils to his school. How many pencils does Jason have left?

336 pencils

400

Farmer Lincoln harvests 412 ears of corn. He sells 198 ears of corn at the market. How many ears of corn remain?

214 ears of corn

500

A bookstore owns 632 books. The store sells 152 books on Monday and 362 books on Tuesday. How many books are left on Wednesday morning?

118 books

Subtraction Strategies

100

Solve using base ten model: 423-215

208

200

solve using base ten models: 84-57

27

300

Solve using an open number line: 36-28

8

400

Solve using an open number line: 423-211

212

500

Solve using mental math: 695-365

330